From patchwork Mon Apr 4 05:05:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12799887 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CD3C8C433FE for ; Mon, 4 Apr 2022 05:06:51 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.298112.507737 (Exim 4.92) (envelope-from ) id 1nbEv7-0002Gu-VQ; Mon, 04 Apr 2022 05:06:29 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 298112.507737; Mon, 04 Apr 2022 05:06:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nbEv7-0002Gn-Qj; Mon, 04 Apr 2022 05:06:29 +0000 Received: by outflank-mailman (input) for mailman id 298112; Mon, 04 Apr 2022 05:06:28 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nbEv6-00021C-9q for xen-devel@lists.xenproject.org; Mon, 04 Apr 2022 05:06:28 +0000 Received: from bombadil.infradead.org (bombadil.infradead.org [2607:7c80:54:e::133]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id f85738bb-b3d4-11ec-8fbc-03012f2f19d4; Mon, 04 Apr 2022 07:06:25 +0200 (CEST) Received: from 089144211060.atnat0020.highway.a1.net ([89.144.211.60] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nbEuk-00D8oG-Qt; Mon, 04 Apr 2022 05:06:07 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f85738bb-b3d4-11ec-8fbc-03012f2f19d4 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=fpYq2gch6ejmPkcFKPjSyDr7OAs4OQSLe0uyAoUEPa0=; b=PaIuEfkhd/fM6UAW/lkkUPAGUw 7D5xF0SVLHLn6WNNOsXP6C40xAJZcMJAp3la1OozTUK8mwJu3uWuRjEtjLg4M6bNDA86tDasdvIYU bo3JyS8R6vbX1G4c2tiWI6Gz3lv5HpsNhObISRr0qguR9mlnwpLVqospUKY7NcL04521npcDEwcir XEwLaaZPWonss1WY91g4Xlb0lxWmrYXxqGad6j85yvjhLRJu2pOsDzHuWiW+JffLV5HBKLJr+yHQT Dt5YABuyfjeH7DMGRPGA1eHB833fjns0mquYYUVQlHIlLbJdGUQ4POXbeGqKn3Z3w179g12ahwlLj L25e2fIw==; From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Stefano Stabellini , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org Subject: [PATCH 01/15] dma-direct: use is_swiotlb_active in dma_direct_map_page Date: Mon, 4 Apr 2022 07:05:45 +0200 Message-Id: <20220404050559.132378-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220404050559.132378-1-hch@lst.de> References: <20220404050559.132378-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Use the more specific is_swiotlb_active check instead of checking the global swiotlb_force variable. Signed-off-by: Christoph Hellwig Reviewed-by: Anshuman Khandual --- kernel/dma/direct.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma/direct.h b/kernel/dma/direct.h index 4632b0f4f72eb..4dc16e08c7e1a 100644 --- a/kernel/dma/direct.h +++ b/kernel/dma/direct.h @@ -91,7 +91,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev, return swiotlb_map(dev, phys, size, dir, attrs); if (unlikely(!dma_capable(dev, dma_addr, size, true))) { - if (swiotlb_force != SWIOTLB_NO_FORCE) + if (is_swiotlb_active(dev)) return swiotlb_map(dev, phys, size, dir, attrs); dev_WARN_ONCE(dev, 1,